ansible: rename helpers.py to target.py, to reflect its purpose

pull/193/head
David Wilson 7 years ago
parent a643f13ebe
commit 71057c78f9

@ -39,7 +39,7 @@ import ansible.plugins.connection
import mitogen.unix import mitogen.unix
import mitogen.utils import mitogen.utils
import ansible_mitogen.helpers import ansible_mitogen.target
import ansible_mitogen.process import ansible_mitogen.process
from ansible_mitogen.services import ContextService from ansible_mitogen.services import ContextService
@ -306,7 +306,7 @@ class Connection(ansible.plugins.connection.ConnectionBase):
def exec_command(self, cmd, in_data='', sudoable=True, mitogen_chdir=None): def exec_command(self, cmd, in_data='', sudoable=True, mitogen_chdir=None):
""" """
Implement exec_command() by calling the corresponding Implement exec_command() by calling the corresponding
ansible_mitogen.helpers function in the target. ansible_mitogen.target function in the target.
:param str cmd: :param str cmd:
Shell command to execute. Shell command to execute.
@ -317,7 +317,7 @@ class Connection(ansible.plugins.connection.ConnectionBase):
""" """
emulate_tty = (not in_data and sudoable) emulate_tty = (not in_data and sudoable)
rc, stdout, stderr = self.call( rc, stdout, stderr = self.call(
ansible_mitogen.helpers.exec_command, ansible_mitogen.target.exec_command,
cmd=mitogen.utils.cast(cmd), cmd=mitogen.utils.cast(cmd),
in_data=mitogen.utils.cast(in_data), in_data=mitogen.utils.cast(in_data),
chdir=mitogen_chdir, chdir=mitogen_chdir,
@ -333,39 +333,39 @@ class Connection(ansible.plugins.connection.ConnectionBase):
def fetch_file(self, in_path, out_path): def fetch_file(self, in_path, out_path):
""" """
Implement fetch_file() by calling the corresponding Implement fetch_file() by calling the corresponding
ansible_mitogen.helpers function in the target. ansible_mitogen.target function in the target.
:param str in_path: :param str in_path:
Remote filesystem path to read. Remote filesystem path to read.
:param str out_path: :param str out_path:
Local filesystem path to write. Local filesystem path to write.
""" """
output = self.call(ansible_mitogen.helpers.read_path, output = self.call(ansible_mitogen.target.read_path,
mitogen.utils.cast(in_path)) mitogen.utils.cast(in_path))
ansible_mitogen.helpers.write_path(out_path, output) ansible_mitogen.target.write_path(out_path, output)
def put_data(self, out_path, data): def put_data(self, out_path, data):
""" """
Implement put_file() by caling the corresponding Implement put_file() by caling the corresponding
ansible_mitogen.helpers function in the target. ansible_mitogen.target function in the target.
:param str in_path: :param str in_path:
Local filesystem path to read. Local filesystem path to read.
:param str out_path: :param str out_path:
Remote filesystem path to write. Remote filesystem path to write.
""" """
self.call(ansible_mitogen.helpers.write_path, self.call(ansible_mitogen.target.write_path,
mitogen.utils.cast(out_path), mitogen.utils.cast(out_path),
mitogen.utils.cast(data)) mitogen.utils.cast(data))
def put_file(self, in_path, out_path): def put_file(self, in_path, out_path):
""" """
Implement put_file() by caling the corresponding Implement put_file() by caling the corresponding
ansible_mitogen.helpers function in the target. ansible_mitogen.target function in the target.
:param str in_path: :param str in_path:
Local filesystem path to read. Local filesystem path to read.
:param str out_path: :param str out_path:
Remote filesystem path to write. Remote filesystem path to write.
""" """
self.put_data(out_path, ansible_mitogen.helpers.read_path(in_path)) self.put_data(out_path, ansible_mitogen.target.read_path(in_path))

@ -54,7 +54,7 @@ from mitogen.utils import cast
import ansible_mitogen.connection import ansible_mitogen.connection
import ansible_mitogen.planner import ansible_mitogen.planner
import ansible_mitogen.helpers import ansible_mitogen.target
from ansible.module_utils._text import to_text from ansible.module_utils._text import to_text
@ -117,7 +117,7 @@ class ActionModuleMixin(ansible.plugins.action.ActionBase):
""" """
Arrange for a Python function to be called in the target context, which Arrange for a Python function to be called in the target context, which
should be some function from the standard library or should be some function from the standard library or
ansible_mitogen.helpers module. This junction point exists mainly as a ansible_mitogen.target module. This junction point exists mainly as a
nice place to insert print statements during debugging. nice place to insert print statements during debugging.
""" """
return self._connection.call(func, *args, **kwargs) return self._connection.call(func, *args, **kwargs)
@ -200,7 +200,7 @@ class ActionModuleMixin(ansible.plugins.action.ActionBase):
# The copy action plugin violates layering and grabs this attribute # The copy action plugin violates layering and grabs this attribute
# directly. # directly.
self._connection._shell.tmpdir = self.call( self._connection._shell.tmpdir = self.call(
ansible_mitogen.helpers.make_temp_directory, ansible_mitogen.target.make_temp_directory,
base_dir=self._get_remote_tmp(), base_dir=self._get_remote_tmp(),
) )
LOG.debug('Temporary directory: %r', self._connection._shell.tmpdir) LOG.debug('Temporary directory: %r', self._connection._shell.tmpdir)
@ -255,7 +255,7 @@ class ActionModuleMixin(ansible.plugins.action.ActionBase):
paths, mode, sudoable) paths, mode, sudoable)
return self.fake_shell(lambda: mitogen.master.Select.all( return self.fake_shell(lambda: mitogen.master.Select.all(
self._connection.call_async( self._connection.call_async(
ansible_mitogen.helpers.set_file_mode, path, mode ansible_mitogen.target.set_file_mode, path, mode
) )
for path in paths for path in paths
)) ))
@ -299,7 +299,7 @@ class ActionModuleMixin(ansible.plugins.action.ActionBase):
delete_remote_tmp=True, wrap_async=False): delete_remote_tmp=True, wrap_async=False):
""" """
Collect up a module's execution environment then use it to invoke Collect up a module's execution environment then use it to invoke
helpers.run_module() or helpers.run_module_async() in the target target.run_module() or helpers.run_module_async() in the target
context. context.
""" """
if module_name is None: if module_name is None:
@ -358,7 +358,7 @@ class ActionModuleMixin(ansible.plugins.action.ActionBase):
chdir=None): chdir=None):
""" """
Override the base implementation by simply calling Override the base implementation by simply calling
helpers.exec_command() in the target context. target.exec_command() in the target context.
""" """
LOG.debug('_low_level_execute_command(%r, in_data=%r, exe=%r, dir=%r)', LOG.debug('_low_level_execute_command(%r, in_data=%r, exe=%r, dir=%r)',
cmd, type(in_data), executable, chdir) cmd, type(in_data), executable, chdir)

@ -48,7 +48,7 @@ except ImportError: # Ansible <2.4
import mitogen import mitogen
import mitogen.service import mitogen.service
import ansible_mitogen.helpers import ansible_mitogen.target
import ansible_mitogen.services import ansible_mitogen.services
@ -89,7 +89,7 @@ def parse_script_interpreter(source):
class Invocation(object): class Invocation(object):
""" """
Collect up a module's execution environment then use it to invoke Collect up a module's execution environment then use it to invoke
helpers.run_module() or helpers.run_module_async() in the target context. target.run_module() or helpers.run_module_async() in the target context.
""" """
def __init__(self, action, connection, module_name, module_args, def __init__(self, action, connection, module_name, module_args,
remote_tmp, task_vars, templar, env, wrap_async): remote_tmp, task_vars, templar, env, wrap_async):
@ -335,9 +335,9 @@ def invoke(invocation):
kwargs = planner.plan(invocation) kwargs = planner.plan(invocation)
if invocation.wrap_async: if invocation.wrap_async:
helper = ansible_mitogen.helpers.run_module_async helper = ansible_mitogen.target.run_module_async
else: else:
helper = ansible_mitogen.helpers.run_module helper = ansible_mitogen.target.run_module
try: try:
js = invocation.connection.call(helper, kwargs) js = invocation.connection.call(helper, kwargs)

@ -28,7 +28,7 @@
import ansible.plugins.action import ansible.plugins.action
import mitogen.core import mitogen.core
import ansible_mitogen.helpers import ansible_mitogen.target
from mitogen.utils import cast from mitogen.utils import cast
@ -37,7 +37,7 @@ class ActionModule(ansible.plugins.action.ActionBase):
job_id = self._task.args['jid'] job_id = self._task.args['jid']
try: try:
result = self._connection.call( result = self._connection.call(
ansible_mitogen.helpers.get_async_result, ansible_mitogen.target.get_async_result,
cast(job_id), cast(job_id),
) )
except mitogen.core.CallError, e: except mitogen.core.CallError, e:

@ -29,7 +29,7 @@
""" """
These classes implement execution for each style of Ansible module. They are These classes implement execution for each style of Ansible module. They are
instantiated in the target context by way of helpers.py::run_module(). instantiated in the target context by way of target.py::run_module().
Each class in here has a corresponding Planner class in planners.py that knows Each class in here has a corresponding Planner class in planners.py that knows
how to build arguments for it, preseed related data, etc. how to build arguments for it, preseed related data, etc.
@ -45,7 +45,7 @@ import sys
import tempfile import tempfile
import types import types
import ansible_mitogen.helpers # TODO: circular import import ansible_mitogen.target # TODO: circular import
try: try:
from shlex import quote as shlex_quote from shlex import quote as shlex_quote
@ -97,7 +97,7 @@ class Runner(object):
def get_temp_dir(self): def get_temp_dir(self):
if not self._temp_dir: if not self._temp_dir:
self._temp_dir = ansible_mitogen.helpers.make_temp_directory( self._temp_dir = ansible_mitogen.target.make_temp_directory(
self.remote_tmp, self.remote_tmp,
) )
return self._temp_dir return self._temp_dir
@ -220,7 +220,7 @@ class ProgramRunner(Runner):
""" """
Fetch the module binary from the master if necessary. Fetch the module binary from the master if necessary.
""" """
return ansible_mitogen.helpers.get_file( return ansible_mitogen.target.get_file(
context=self.service_context, context=self.service_context,
path=self.path, path=self.path,
) )
@ -241,7 +241,7 @@ class ProgramRunner(Runner):
def _run(self): def _run(self):
try: try:
rc, stdout, stderr = ansible_mitogen.helpers.exec_args( rc, stdout, stderr = ansible_mitogen.target.exec_args(
args=self._get_program_args(), args=self._get_program_args(),
emulate_tty=True, emulate_tty=True,
) )
@ -362,7 +362,7 @@ class NewStyleRunner(ScriptRunner):
return self._code_by_path[self.path] return self._code_by_path[self.path]
except KeyError: except KeyError:
return self._code_by_path.setdefault(self.path, compile( return self._code_by_path.setdefault(self.path, compile(
source=ansible_mitogen.helpers.get_file( source=ansible_mitogen.target.get_file(
context=self.service_context, context=self.service_context,
path=self.path, path=self.path,
), ),

@ -131,12 +131,12 @@ class StrategyMixin(object):
For action plug-ins, the original class is looked up as usual, but a For action plug-ins, the original class is looked up as usual, but a
new subclass is created dynamically in order to mix-in new subclass is created dynamically in order to mix-in
ansible_mitogen.helpers.ActionModuleMixin, which overrides many of the ansible_mitogen.target.ActionModuleMixin, which overrides many of the
methods usually inherited from ActionBase in order to replace them with methods usually inherited from ActionBase in order to replace them with
pure-Python equivalents that avoid the use of shell. pure-Python equivalents that avoid the use of shell.
In particular, _execute_module() is overridden with an implementation In particular, _execute_module() is overridden with an implementation
that uses ansible_mitogen.helpers.run_module() executed in the target that uses ansible_mitogen.target.run_module() executed in the target
Context. run_module() implements module execution by importing the Context. run_module() implements module execution by importing the
module as if it were a normal Python module, and capturing its output module as if it were a normal Python module, and capturing its output
in the remote process. Since the Mitogen module loader is active in the in the remote process. Since the Mitogen module loader is active in the

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